Passing deleted document from v4 -> v10 causes error

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1

Using fauna/faunadb:5.5.0 locally…

I have a UDF written in v4 that calls q.Delete, and returns that document. Then when I call that v4 UDF from v10 I get the following error:

java.lang.ClassCastException: class fauna.storage.doc.DeletedVersion cannot be cast to class fauna.storage.doc.LiveVersion (fauna.storage.doc.DeletedVersion and fauna.storage.doc.LiveVersion are in unnamed module of loader ‘app’) Please create a ticket at https://support.fauna.com java.lang.ClassCastException: class fauna.storage.doc.DeletedVersion cannot be cast to class fauna.storage.doc.LiveVersion (fauna.storage.doc.DeletedVersion and fauna.storage.doc.LiveVersion are in unnamed module of loader ‘app’)

2

I tried updating the v4 UDF so it doesn’t return the deleted document, but just true instead. But now it’s giving me this error:

java.lang.ClassCastException Please create a ticket at https://support.fauna.com java.lang.ClassCastException

3

Heya @wallslide! A few questions:

  • Are you able to replicate the issue on Fauna cloud? Or just locally with the docker image?
  • Can you share the UDFs and additional details about how it is called?
  • Is GraphQL involved?
4

The docker image has been updated more recently. Do you still have the same issue?